Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » ho chieu, theo chu, thi chieu
cua dong » chua dong, cua cong, cua nong
cua dang » cua cong, cua ban
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) sach - thanh tuong ((cua dong) OR (cua dang)) cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - thanh tuong ((cua dong) OR (cua dang)) cong tac than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - thanh tuong ((cua dong) OR (cua dang)) cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - thanh tuong ((cua dong) OR (cua dang)) cong tac than cap*.